EP 2927024 A1 20151007 - PNEUMATIC TIRE
Title (en)
PNEUMATIC TIRE
Title (de)
LUFTREIFEN
Title (fr)
PNEUMATIQUE
Publication
Application
Priority
- JP 2012263794 A 20121130
- JP 2013082077 W 20131128
Abstract (en)
A pneumatic tire (10) has, in the surface of the tread (11), a central circumferential groove (12) located at the center of the contact patch width and extending circumferentially around the tire, a plurality of longitudinal grooves (13 (13a, 13b)) formed on the axially outside of the central circumferential groove (12), lug grooves (15), and blocks (16 (16a to 16c)) defined by the central circumferential groove (12), the longitudinal grooves (13), and the lug grooves (15). Each of the lug grooves (15) is formed such that its width in the shoulder region is greater than its width in the central region, and the sum of the groove area of the central circumferential groove (12) and the groove area of the longitudinal grooves (13) is smaller than the area of the lug grooves (15). As a result, the pneumatic tire (10) not only secures the wet braking performance and wear resistance performance on paved roads, but also improves the acceleration performance and braking performance and the steering stability performance on snowy roads.
IPC 8 full level
B60C 11/03 (2006.01); B60C 11/04 (2006.01); B60C 11/11 (2006.01); B60C 11/12 (2006.01); B60C 11/13 (2006.01)
CPC (source: EP US)
B60C 11/0302 (2013.01 - EP US); B60C 11/0309 (2013.01 - EP US); B60C 11/04 (2013.01 - US); B60C 11/11 (2013.01 - EP US); B60C 11/12 (2013.01 - US); B60C 11/1236 (2013.01 - EP US); B60C 11/13 (2013.01 - US); B60C 11/1369 (2013.01 - EP US); B60C 11/0332 (2013.01 - US); B60C 2011/0341 (2013.01 - EP US); B60C 2011/0344 (2013.01 - EP US); B60C 2011/0346 (2013.01 - EP US); B60C 2011/0365 (2013.01 - EP US); B60C 2011/0369 (2013.01 - EP US); B60C 2011/0393 (2013.01 - EP US); B60C 2011/1213 (2013.01 - EP US); B60C 2011/1268 (2013.01 - US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 2927024 A1 20151007; EP 2927024 A4 20160831; EP 2927024 B1 20180411; CN 104955659 A 20150930; CN 104955659 B 20170620; JP 6310395 B2 20180411; JP WO2014084320 A1 20170105; US 2015321518 A1 20151112; US 9802444 B2 20171031; WO 2014084320 A1 20140605
DOCDB simple family (application)
EP 13858920 A 20131128; CN 201380071745 A 20131128; JP 2013082077 W 20131128; JP 2014549899 A 20131128; US 201314648563 A 20131128